diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/configure.ac b/configure.ac index 779e4e9..8adb8b8 100644 --- a/configure.ac +++ b/configure.ac @@ -33,9 +33,6 @@ maintainer_mode=${enable_maintainer_mode-no} # Checks for programs. AC_PROG_CC -# FIXME: We should support setting the CFLAGS by the user. But -# -std=gnu99 and -O1 are required. -CFLAGS="-std=gnu99 -Wall -g -O2 -fno-stack-protector $CFLAGS" AM_PROG_AS AC_PROG_RANLIB AC_CHECK_TOOL([AR], [ar], :) @@ -183,6 +180,35 @@ fi AC_SUBST([LIBC_A]) AC_SUBST([LIBC_M]) +# Compute some variables that we need everywhere. + +# Ripped from glibc. +ccheaders = $(${CC} -print-file-name=include) +SYSINCLUDES = -nostdinc -isystem ${ccheaders} -isystem ${ccheaders}-fixed + +USER_CFLAGS="-std=gnu99 -Wall -g -O2 -fno-stack-protector" +USER_CPPFLAGS="-U__linux -U__linux__ -U__gnu_linux__ -Ulinux -D__GNU__ \ + -D_GNU_SOURCE ${SYSINCLUDES} -I${LIBC}/include \ + -I${ABS_BUILDDIR}/include -I${ABS_SRCDIR}/libc-parts" +USER_LDFLAGS="-u_start -e_start -nostdlib" +USER_LDADD="${ABS_BUILDDIR}/libc.a" + +KERNEL_CFLAGS="-std=gnu99 -Wall -g -O2 -fno-stack-protector" +KERNEL_CPPFLAGS="-U__linux -U__linux__ -U__gnu_linux__ -Ulinux -D__GNU__ \ + -D_GNU_SOURCE -DRM_INTERN $SYSINCLUDES -I${ABS_BUILDDIR}/include \ + -I${ABS_SRCDIR}/libc-parts" + +CHECK_CPPFLAGS="-I${ABS_BUILDDIR}/include -I${ABS_SRCDIR}/libc-parts" + +AC_SUBST(USER_CFLAGS) +AC_SUBST(USER_CPPFLAGS) +AC_SUBST(USER_LDFLAGS) +AC_SUBST(USER_LDADD) +AC_SUBST(KERNEL_CFLAGS) +AC_SUBST(KERNEL_CPPFLAGS) +AC_SUBST(CHECK_CPPFLAGS) + + if test "x$missing_progs" != "x"; then AC_MSG_ERROR([The following programs were not found:$missing_progs]) fi |